Patent DE-102010055160-A1 (DE)
Title: Producing cylinder crankcase comprising integrally molded in cylinder liners and cooling water space, comprises providing cylinder liners, introducing cylinder liners and cylinder liners, casting and removing material of cylinder crankcase
Inventor: ISLER WOLFGANG DR
IPC: B22D19/16
Filed: 2010-12-18
Abstract: Producing a cylinder crankcase (10) comprising at least two integrally molded in cylinder liners (11) and at least one cooling water space (14) associated with the cylinder liners, comprises: (a) providing at least two cylinder liners; (b) introducing at least one groove-shaped recess (17); (c) introducing the cylinder liners into a casting mold for the cylinder crankcase; (d) casting of the crankcase; and (e) removing the material of the cylinder crankcase in the region of the groove-shaped recesses, which at least one connecting channel (18) is formed to at least one cooling water space. Producing a cylinder crankcase (10) comprising at least two integrally molded in cylinder liners (11) and at least one cooling water space (14) associated with the cylinder liners, comprises: (a) providing at least two cylinder liners; (b) introducing at least one groove-shaped recess (17) in each cylinder liner; (c) introducing the cylinder liners into a casting mold for the cylinder crankcase, which the groove-shaped recesses are arranged at the same height of two adjacent cylinder liners facing one another; (d) casting of the crankcase by casting the cylinder liners and freely holding the at least one cooling water space; and (e) removing the material of the cylinder crankcase in the region of the groove-shaped recesses, which at least one connecting channel (18) is formed to at least one cooling water space. Independent claims are also included for: (1) producing the cylinder crankcase comprising a cylinder liner composite formed from at least two cylinder liners and at least one cooling water space associated with the cylinder liner composite comprises providing the cylinder liner composite from at least two cylinder liners, introducing at least one hole between two adjacent cylinder liners, introducing the cylinder liner composite into a casting mold for the cylinder crankcase, casting of the crankcase by casting the cylinder liner composite and freely holding the at least one cooling water space, and removing the material of the cylinder crankcase from the at least one hole between the two adjacent cylinder liners, which at least one connecting channel is formed to at least one cooling water space; (2) the cylinder crankcase comprising at least two cylinder liners and cooling water space associated with at least one of the cylinder liners, where the at least two cylinder liners each exhibit at least one groove-shaped recess, which the groove-shaped recess of adjacent cylinder liners are arranged facing each other at the same height and at least one connecting channel is formed to at least one cooling water space in the region of the groove-shaped recesses; and (3) the cylinder crankcase comprising the cylinder liner composite formed from at least two cylinder liners and at least one cooling water space associated with the cylinder liner composite, where at least one continuous opening is formed between two adjacent cylinder liners of the cylinder liner composite forming the connecting channel to at least one cooling water space through at least one hole.